The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 12, 1988

Filed:

Jun. 11, 1986
Applicant:
Inventors:

Kohei Mori, Ogawa, JP;

Haruo Suzuki, Higashimatsuyama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
9137 / ; 91534 ; 92 48 ;
Abstract

A brake booster of tandem type comprises a pair of power pistons, a valve body internally housing a valve mechanism and a center body formed with a passage which communicates with a passage formed in the vlave body, all of which are integrally connected together, by holding them between a hub which is disposed through these members in alignment with their axes and a nut which is threadably engaged with the hub. An ear is formed on one of the outer peripheral surface of the hub and in an opening formed in the front power piston through which the hub extends while a recess is formed in the other for receiving the ear, thus allowing the hub and the front power piston to be positioned relative to each other by the engagement between the ear and the recess.


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